Autobox gearbox ratios

[Ian C]

I've got an automatic Supra...what are the ratios?

Gearbox:- 2JZ-GTE AUTO 4-spd
Tyre:- Michelin all patterns 235/45 x 17

Top Gear gives 27.497 MPH/1000 RPM and a top speed of 192.478 MPH at 7000 RPM

Engine speeds in top gear:-
30 MPH = 1091 RPM
40 MPH = 1455 RPM
50 MPH = 1818 RPM
60 MPH = 2182 RPM
70 MPH = 2546 RPM
80 MPH = 2909 RPM
90 MPH = 3273 RPM
100 MPH = 3637 RPM

Top Speed in 1 gear = 48.394 MPH
And changes into 2 gear at 3822 RPM dropping 3178 RPM
Top Speed in 2 gear = 88.633 MPH
And changes into 3 gear at 4572 RPM dropping 2428 RPM
Top Speed in 3 gear = 135.697 MPH
And changes into 4 gear at 4935 RPM dropping 2065 RPM
Top Speed in 4 gear = 192.478 MPH


Gearbox:- 2JZ-GE (NA) AUTO 4-Spd
Tyre:- Michelin all patterns 235/45 x 17

Top Gear gives 25.382 MPH/1000 RPM and a top speed of 177.676 MPH at 7000 RPM

Engine speeds in top gear:-
30 MPH = 1182 RPM
40 MPH = 1576 RPM
50 MPH = 1970 RPM
60 MPH = 2364 RPM
70 MPH = 2758 RPM
80 MPH = 3152 RPM
90 MPH = 3546 RPM
100 MPH = 3940 RPM

Top Speed in 1 gear = 44.672 MPH
And changes into 2 gear at 3822 RPM dropping 3178 RPM
Top Speed in 2 gear = 81.817 MPH
And changes into 3 gear at 4572 RPM dropping 2428 RPM
Top Speed in 3 gear = 125.261 MPH
And changes into 4 gear at 4935 RPM dropping 2065 RPM
Top Speed in 4 gear = 177.676 MPH

Thinking of putting a manual diff on an autobox? Here you go:

Gearbox:- 2JZ-GTE AUTO 4-spd w/UK MANUAL DIFF
Tyre:- Michelin all patterns 235/45 x 17

Top Gear gives 33.079 MPH/1000 RPM and a top speed of 231.551 MPH at 7000 RPM

Engine speeds in top gear:-
30 MPH = 907 RPM
40 MPH = 1209 RPM
50 MPH = 1512 RPM
60 MPH = 1814 RPM
70 MPH = 2116 RPM
80 MPH = 2418 RPM
90 MPH = 2721 RPM
100 MPH = 3023 RPM

Top Speed in 1 gear = 58.218 MPH
And changes into 2 gear at 3822 RPM dropping 3178 RPM
Top Speed in 2 gear = 106.625 MPH
And changes into 3 gear at 4572 RPM dropping 2428 RPM
Top Speed in 3 gear = 163.244 MPH
And changes into 4 gear at 4935 RPM dropping 2065 RPM
Top Speed in 4 gear = 231.551 MPH

Gearbox:- 2JZ-GTE AUTO 4-spd w/JAP MANUAL DIFF
Tyre:- Michelin all patterns 235/45 x 17

Top Gear gives 31.732 MPH/1000 RPM and a top speed of 222.122 MPH at 7000 RPM

Engine speeds in top gear:-
30 MPH = 945 RPM
40 MPH = 1261 RPM
50 MPH = 1576 RPM
60 MPH = 1891 RPM
70 MPH = 2206 RPM
80 MPH = 2521 RPM
90 MPH = 2836 RPM
100 MPH = 3151 RPM

Top Speed in 1 gear = 55.847 MPH
And changes into 2 gear at 3822 RPM dropping 3178 RPM
Top Speed in 2 gear = 102.283 MPH
And changes into 3 gear at 4572 RPM dropping 2428 RPM
Top Speed in 3 gear = 156.596 MPH
And changes into 4 gear at 4935 RPM dropping 2065 RPM
Top Speed in 4 gear = 222.122 MPH

-Alex